docs/guides/linux/pages/cronjob.md

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How to use cronjobs Examples on how to use cronjob to automate tasks true 2023-06-27T08:28:13.676Z markdown 2023-06-27T08:28:13.676Z

How to use cronjobs

This guide provides examples on how to use cronjob to automate tasks. This was tested on Ubuntu 22.04.

Get Started

  • Begin by opening a terminal and running the following command:
crontab -e

This command will open the crontab file in the nano text editor.

  • Next, you need to define the cronjob. Add the following lines to the file:
* * * * * <command>
  • Finally, you can save the file by pressing Ctrl + X and then Y.

Syntax

* <- minute (0-59)
  * <- hour (0-23)
    * <- day of month (1-31)
      * <- month (1-12)
        * <- day of week (0-6) (Sunday=0)
          <command> <- the command to execute

Examples

Run a command every minute

* * * * * <command>

Run a command every 5 minutes

*/5 * * * * <command>

Run a command every hour

0 * * * * <command>

Run a command every day at midnight

0 0 * * * <command>